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writeScmRights() — netty Function Reference

Architecture documentation for the writeScmRights() function in CmsgHdr.java from the netty codebase.

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Entity Profile

Dependency Diagram

graph TD
  fb90a876_5c2e_f3a3_7f07_6fdec455c613["writeScmRights()"]
  111a3db5_f15e_0e90_7c29_bf659eb23b98["CmsgHdr"]
  fb90a876_5c2e_f3a3_7f07_6fdec455c613 -->|defined in| 111a3db5_f15e_0e90_7c29_bf659eb23b98
  style fb90a876_5c2e_f3a3_7f07_6fdec455c613 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

transport-classes-io_uring/src/main/java/io/netty/channel/uring/CmsgHdr.java lines 48–59

    static void writeScmRights(ByteBuffer cmsghdr, int cmsgHdrDataOffset, int fd) {
        int cmsghdrPosition = cmsghdr.position();
        if (Native.SIZEOF_SIZE_T == 4) {
            cmsghdr.putInt(cmsghdrPosition + Native.CMSG_OFFSETOF_CMSG_LEN, Native.CMSG_LEN_FOR_FD);
        } else {
            assert Native.SIZEOF_SIZE_T == 8;
            cmsghdr.putLong(cmsghdrPosition + Native.CMSG_OFFSETOF_CMSG_LEN, Native.CMSG_LEN_FOR_FD);
        }
        cmsghdr.putInt(cmsghdrPosition + Native.CMSG_OFFSETOF_CMSG_LEVEL, Native.SOL_SOCKET);
        cmsghdr.putInt(cmsghdrPosition + Native.CMSG_OFFSETOF_CMSG_TYPE, Native.SCM_RIGHTS);
        cmsghdr.putInt(cmsghdrPosition + cmsgHdrDataOffset, fd);
    }

Domain

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Defined In

Source

Frequently Asked Questions

What does writeScmRights() do?
writeScmRights() is a function in the netty codebase, defined in transport-classes-io_uring/src/main/java/io/netty/channel/uring/CmsgHdr.java.
Where is writeScmRights() defined?
writeScmRights() is defined in transport-classes-io_uring/src/main/java/io/netty/channel/uring/CmsgHdr.java at line 48.

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